Artificial limb.



R. SCHEIBEL.

.ARTIFICIALLIMB.

APPLICATION FILED JUNE 12} 191B Patented May 14,191

ll f I I I RICHARD SCHEIBEL, OF ST. LOUIS, MISSOURI.

ARTIFICIAL LIMB.

Specification of Letters Patent.

Patented May 14, 1918.

Application filed June 12, 1916. Serial No. 108,295.

To all whom it may concern:

Be it known that I, RICHARD SOHEIBEL, a citizen of the United States,and resident of St. Louis, Missouri, have invented certain new anduseful Improvements in Artificial Limbs, of which the following is aspecification.

This invention relates to improvements in limb sockets, and has for itsobject a hollow structure formed of a plurality of spirally wound stripsof fabric which have been previously saturated in an adhesive materialsuch as glue or the like, and then being coated with a water-proofcoating.

A further object is to make a limb socket which will be light in weightand at the same time strong enough to bear the weight of the wearer.

A further object is to construct a limb socket which does not requirethe services of an expert in carving which is now necessary in themanufacture of limbs made of wood or similiar substance.

Figure 1, is a vertical sectional view of my complete invention.

Fig. 2, is a front view of the same with the outer coverings removed.

Fig. 3, is an enlarged detail horizontal sectional view through aportion of the wall showing the several layers of material used in theconstruction of my device.

In carrying out my invention I use a mold of any desired constructioneither formed sectional or of some material which may be later ondestroyed; and over this I place a covering A of paper which iswater-proofed or other similar substance. Over this layer of paper Idraw a footless stocking B which has been previously saturated in somemoisture proof adhesive substance. When this adhesive substance haspartially set I wind a layer of muslin or like material, which has alsobeen previously saturated with a like substance, spirally about thestocking; this layer being designated by the letter G. Then saturatedlayers of like material D, E, F, G, and H are wound spirally about thelayer C in alternate directions; this is continued until the desiredthickness orstrength has been reached which depends entirely upon theweight of the party wearing the limb. After sufiicient material has beenwound around the mold I next draw a stocking I, also saturated withadhesive material, over the spirally wound strips and when the entiremass has sufficiently dried out I cover the same with a coating J,composed of chalk and glue to fill up any spaces or irregularities whichmight have been left by the winding. When this coating is hardened it issand-papered or smoothed down and then given a coat of flesh tintedshellac or varnish so as to keep the moisture from attacking it from theoutside.

By my structure I provide a device which is very light, rigid verticallyand at the same time resilient to lateral pressure making it seem verymuch like the ordinary limb which is composed of flesh and bone.

After this device is completed I attach a foot member 19 to the lowerend thereof, in the upper end I provide a socket 20, in which is locateda member 21, the same being hinged by the pivot 22, located in the legmember. The upper end of the section 21, being secured in the member 23,which is constructed exactly the same as has been previously described.

It is understood of course that if the limb is taken off below the kneethe sections 20, 21 23, and the pivot 22, will not be needed.

llaving fully described my invention what I claim is:

A leg socket having an interior lining of moisture proof material, astocking, spirally wound layers of muslin saturated with adhesivematerial wound over the same, a second stocking, a coating formed ofchalk and glue applied over the stocking and a tinted moisture proofcoating applied over the mixture of chalk and glue, as specified.

'In testimony whereof, I have name to this specification, subscribingwitnesses.

RICHARD SCHEIBEL.

signed my 1n presence of two Witnesses':-

Arrnnn A. Eroxs, WALTER C. STEIN.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of latents, Washington, D. 0.

substantially

